Annoyed by gravel/rocks/sticks/dirt in your tailgate? Here's a solution:

[ImEngineer]

There's a major problem with the tailgates of our 5th Generation Rams: a GIANT hole that invites gravel to get stuck inside! It annoyed me to no end, so I made this Gravel Guard which works by covering the gaping hole in the bottom of our tailgates, while still allowing water to drain out. The Tailgate Gravel Guard is made of a durable material to withstand the daily abuse of being at the business end of our trucks, yet gentle enough to not chafe the wires going into the tailgate.

Link to Buy
Priced at $17.76 because these are made in the USA by yours truly.

Video link (in case you're really interested):